[in-too-ish-uh-niz-uh m, -tyoo-] /ˌɪn tuˈɪʃ əˌnɪz əm, -tyu-/
noun
1.
Ethics. the doctrine that moral values and duties can be discerned directly.
2.
Metaphysics.
the doctrine that in perception external objects are given immediately, without the intervention of a representative idea.
the doctrine that knowledge rests upon axiomatic truths discerned directly.
3.
Logic, Mathematics. the doctrine, propounded by L. E. J. Brouwer, that a mathematical object is considered to exist only if a method for constructing it can be given.
His own utilitarianism is based upon a new synthesis of intuitionism and empiricism.
British Dictionary definitions for intuitionism
intuitionism
/ˌɪntjʊˈɪʃəˌnɪzəm/
noun
1.
(in ethics)
the doctrine that there are moral truths discoverable by intuition
the doctrine that there is no single principle by which to resolve conflicts between intuited moral rules See also deontological
2.
(philosophy) the theory that general terms are used of a variety of objects in accordance with perceived similarities Compare nominalism, Platonism
3.
(logic) the doctrine that logical axioms rest on prior intuitions concerning time, negation, and provability
4.
the theory that mathematics cannot intelligibly comprehend the properties of infinite sets, and that only what can be shown to be provable can be justifiably asserted
the reconstruction of mathematics or logic in accordance with this view Compare formalism, logicism, finitism
5.
the doctrine that knowledge, esp of the external world, is acquired by intuition